On Fri, 23 Jan 2015, Robert Nelson wrote:
> On Fri, Jan 23, 2015 at 1:23 PM, Robert P. J. Day <[email protected]>
> wrote:
> > On Fri, 23 Jan 2015, Robert Nelson wrote:
> >
> >> > sorry, i phrased that question badly. obviously, i can always
> >> > upgrade u-boot on my rev B, but i assume there was a point in the
> >> > recent past where the onboard bootrom could handle the dd'ed
> >> > MLO/u-boot.img, and that's *not* something i could update.
> >> >
> >> > given that my BBBs were purchased a while back, i suspect i
> >> > don't have that feature in the bootrom. eh, time to pick up some
> >> > rev Cs.
> >>
> >> All "am335x" have that feature in the bootrom.. It was added back
> >> when the omap4 came out (I've heard even the dm81xx had it, but i
> >> never had one of those boards..)
> >>
> >> So yes, even the BBB "B"'s and the BBW's with there ES1.x silicon
> >> fully support it...
> >
> > huh ... i guess i just never read closely enough to know about those
> > options. so, regarding this:
> >
> > http://elinux.org/Beagleboard:U-boot_partitioning_layout_2.0#Boot_Partition_.28omap4.2B_.28am335x.29.29
> >
> > as you say, the only real benefit to moving the MLO and u-boot.img
> > outside of a partition is to keep people from accidentally wiping them
> > out, is that it? other than that, there's no effective difference,
> > correct?
>
> Correct.. There's no difference in the build, those files could
> either be copied to a fat partition or dd'ed...
>
> It also allows single partition setup's. ;)
yup, i realize that now. is this behaviour documented somewhere in
an official TI am335x/omap4+ reference manual somewhere?
rday
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Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
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